117 lines
2.3 KiB
C#
117 lines
2.3 KiB
C#
using System;
|
|
|
|
using Org.BouncyCastle.Math;
|
|
using Org.BouncyCastle.Math.EC;
|
|
using Org.BouncyCastle.Utilities;
|
|
|
|
namespace Org.BouncyCastle.Crypto.Parameters
|
|
{
|
|
public class ECDomainParameters
|
|
{
|
|
internal ECCurve curve;
|
|
internal byte[] seed;
|
|
internal ECPoint g;
|
|
internal BigInteger n;
|
|
internal BigInteger h;
|
|
|
|
public ECDomainParameters(
|
|
ECCurve curve,
|
|
ECPoint g,
|
|
BigInteger n)
|
|
: this(curve, g, n, BigInteger.One)
|
|
{
|
|
}
|
|
|
|
public ECDomainParameters(
|
|
ECCurve curve,
|
|
ECPoint g,
|
|
BigInteger n,
|
|
BigInteger h)
|
|
: this(curve, g, n, h, null)
|
|
{
|
|
}
|
|
|
|
public ECDomainParameters(
|
|
ECCurve curve,
|
|
ECPoint g,
|
|
BigInteger n,
|
|
BigInteger h,
|
|
byte[] seed)
|
|
{
|
|
if (curve == null)
|
|
throw new ArgumentNullException("curve");
|
|
if (g == null)
|
|
throw new ArgumentNullException("g");
|
|
if (n == null)
|
|
throw new ArgumentNullException("n");
|
|
if (h == null)
|
|
throw new ArgumentNullException("h");
|
|
|
|
this.curve = curve;
|
|
this.g = g;
|
|
this.n = n;
|
|
this.h = h;
|
|
this.seed = Arrays.Clone(seed);
|
|
}
|
|
|
|
public ECCurve Curve
|
|
{
|
|
get { return curve; }
|
|
}
|
|
|
|
public ECPoint G
|
|
{
|
|
get { return g; }
|
|
}
|
|
|
|
public BigInteger N
|
|
{
|
|
get { return n; }
|
|
}
|
|
|
|
public BigInteger H
|
|
{
|
|
get { return h; }
|
|
}
|
|
|
|
public byte[] GetSeed()
|
|
{
|
|
return Arrays.Clone(seed);
|
|
}
|
|
|
|
public override bool Equals(
|
|
object obj)
|
|
{
|
|
if (obj == this)
|
|
return true;
|
|
|
|
ECDomainParameters other = obj as ECDomainParameters;
|
|
|
|
if (other == null)
|
|
return false;
|
|
|
|
return Equals(other);
|
|
}
|
|
|
|
protected bool Equals(
|
|
ECDomainParameters other)
|
|
{
|
|
return curve.Equals(other.curve)
|
|
&& g.Equals(other.g)
|
|
&& n.Equals(other.n)
|
|
&& h.Equals(other.h)
|
|
&& Arrays.AreEqual(seed, other.seed);
|
|
}
|
|
|
|
public override int GetHashCode()
|
|
{
|
|
return curve.GetHashCode()
|
|
^ g.GetHashCode()
|
|
^ n.GetHashCode()
|
|
^ h.GetHashCode()
|
|
^ Arrays.GetHashCode(seed);
|
|
}
|
|
}
|
|
|
|
}
|